Pump impeller



FIG. 1 is a perspective view of the design of the pump impeller article as shown from the drive side of the pump impeller;

FIG. 2 is a plan view of the pump impeller looking into the drive side opening in the pump impeller;

FIG. 3 is a view in elevation of the pump impeller with the drive side of the pump impeller being oriented upwardly;

FIG. 4 is a perspective view of the pump impeller as seen from the suction side of the pump impeller; and,

FIG. 5 is a plan view of the pump impeller as viewed looking into the suction inlet of the pump impeller. 

The ornamental design for the pump impeller, as shown and described herein. 